How to use "shallow" in a sentence

At first, it had seemed terribly wrong that such a wonderful opportunity should come her way before she'd even had time to mourn her boy, as if the Fates were so shallow and insensitive as to think that they could balance the scales and offset Danny's death merely by presenting her with a chance at her dream job

As the room grew warm again, the doorknobs and the radio casing and the other metal objects quickly shed their fragile skins of ice, leaving shallow puddles on furniture and damp spots in the carpet

I fell heavily into a shallow pool of water.